Home / 161,607,292.37-223,018,744.51-91,043,749.20

Finding the Fourth Proportional to 161,607,292.37, 223,018,744.51 and 91,043,749.20

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Solution

The fourth proportional to 161,607,292.37, 223,018,744.51 and 91,043,749.20 is: 125,640,757.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,607,292.37 : 223,018,744.51 = 91,043,749.20 : x
  2. Step 2: Convert to fraction form
    161,607,292.37/223,018,744.51 = 91,043,749.20/x
  3. Step 3: Cross multiply
    161,607,292.37x = 223,018,744.51 × 91,043,749.20
  4. Step 4: Simplify right side
    161,607,292.37x = 20,304,462,642,067,316
  5. Step 5: Solve for x
    x = 20,304,462,642,067,316/161,607,292.37
  6. Step 6: Final answer
    x = 125,640,757.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.